I need to make a change to this code removing this sensor Adafruit STEMMA Soil Sensor - I2C Capacitive Moisture Sensor and adding this Generic Capacitive Moisture Sensor v1.2
Looking for collaboration from some good responsible, honest, serious software talent. We assume you have plumbing experience on SW development for FF H1 bus. We need a FF H1 interface code on RPi 3 talking via I2C/SPI to a TI DAC8742H. ...
...card # stored, this become default card #. Devices wakes up here. () 5. If card # is stored and matched, then open. blink LED green and sends pwm output else blink red. If match it will reset to no pin. 6. Read date & Time from RTC and store in transaction table along correct card # We using rgb led so they are basic port pin. Need to make high, wait 300 ms then low. Microcontroller : MS51EC0AE I2C used: 24LC512, 24C04 RFID Reader Used: CR95HF For MS51EC0AE rewrite the code: P1.0-spi clk, P0.0 – spi mosi, P0.1 – spi miso, P0.3 – interrupt for card scan, P0.5 – ss1 (for reader set), P0.6- ss0 (for reader set), P1.5-uart3_tx, P2.5-uart3 rx, P1.4-i2c0-sda, P1.3-i2c0_scl, P2.4-red led, P2.3-u4 tx, P2.2 – green led, P2.1 – blue led, P3.5 &ndas...
code for ESP32 devkit connected with an LCD using I2C which shows the passed water from the water flow sensor and water level from the ultrasonic sensor. A 5-volt single-module relay is connected to the circuit, which operates when 200 liters of water have been passed from the water flow sensor. A single-way switch is included, which can operate the relay manually. Additionally, an ESP Rainmaker application is added, which can monitor passed water, and water level and can operate the relay by a mobile phone
...powered by 24V AC, and it will control up to 4 relays handling 24V AC / 1A max. Key requirements: ESP32-WROVER-E-N8R8 module with program and reset buttons, as well as status LEDs for upload and operation. Four relays capable of handling NO - COM 24 Volts AC / 1 Amp max. Rectifier bridge to convert 24V AC input to 12V DC / 3.3V DC. Temperature and humidity sensor: Sensirion I2C SHT31-DIS-B2.5kS. VOC sensor: Sensirion I2C SGP40-D-R4 (with a different address on the same bus). SMD components and a rectangular PCB no larger than 60x60mm. Deliverables: Schematic and PCB layout files in Eagle or another industry-standard format. BOM with Digi-Key part numbers and all necessary information for ordering components. Gerber files and any other necessary files for PCB fabrication...
...(will assume 16, unless stated otherwise) One channel only one type devices/services at a time. Prefer software selection/configuration. If hardware selection, you may make 3 kinds of HATs one for each service type also (Specify if so). The HAT will also serve as a pass-thru of HW, SW signals. The RPi or its variant (like Potatoe libre) connects via I2C to HAT. HAT supports 8 stackables with pin use conservation. We want the board to use the I2C bus pins, which allows multiple boards to be stacked. Each board will need to have 6 pins to change jumper settings for addressing each board to a maximum of 8 stackable boards. (i.e. 000 = stack 0; 001 = stack 1; 010 = stack 2; 111 = stack 7). Support HART-IP, APL, MBTCP, EIP slaves via Wi-fi & TCP/IP ports to the host ...
We are looking for someone to create code to read 24 values from 3 x 8 channel I2C ADCs and write out the largest values to an SPI DAC. We are looking to have this completed by April 21st 2023. This project will use a Pi Pico microcontroller and require coding in the C programming language. The main components used in this project are a Pi Pico, an 8-Channel 12-bit ADC (TLA2528), and a DAC (MCP4921). The datasheets for the ADC and DAC components are attached. The experience and skills required to complete this job include knowledge of C programming, Pi Pico microcontrollers, and experience with I2C and SPI protocols. The ideal candidate for this job should have a solid background in programming, electronics, and working with microcontroller systems. The attached diagram s...
Tarea a realizar: Programa para ESP32 con el Framework de Arduino. El programa debe leer el nivel de temperatura y humedad mediante un sensor DHT11 y mostrarlo en un Display 16x2 con conexión I2C. Además, si la temperatura está por debajo a 24 grados celsius debe encender un led hasta que la temperatura sobrepase los 35 grados celsius.
Hi I need someone who has worked on MPU6050 software for DMP. I’m stuck in dmp initialization. I need to run the sample code. It’s using I2C device and I can get register address 0x68. All wiring are correct. If you have worked on this DMP, then let’s talk. I cannot pay for trying. Need ASAP.
...skills in English, both written and verbal, to ensure seamless collaboration with team members Documentation of solution Requirements: Proficient in the C programming language Strong experience in embedded software development Familiarity with Nordic Semi MCU and Zephyr RTOS Knowledge of serial communication protocols, including RS485 and Modbus RTU Experience with MCU and serial ports, I2C, and USB devices Excellent problem-solving skills and attention to detail Strong communication skills in English, both written and verbal Preferred Qualifications: Prior experience with Modbus RTU protocol is highly valuable Familiarity with IoT projects and related technologies If you are passionate about embedded development and have the skills and experience required, we ...
...gas sensor problems. The project requires someone who is knowledgeable about different types of gas sensors, their functioning, and how to calibrate them. Specifically, I need someone familiar with a Carbon Dioxide (CO2) and Ammonia (NH3) Sensor. The task at hand is to solve a calibration issue. No additional features are needed at this time. We need someone who is skilled in the use of Modbus, i2c, and rs485 technologies to create a solution that will improve the accuracy of our sensor's data. If you think you are the right person for the job, please apply now. Looking forward to hearing from you! I am open to different options to meet my needs and I'm expecting a delivery time of 1-3 weeks. If you have the experience and know-how to make this happen, I would be happy...
I need someone to design a PCB in Altium with an OLED display and SSD1306 controller. I2C connection through 4-pin header. It is very similar to many modules you can buy online so this part is easy. But I need someone who knows where to buy/source the parts and how they will get assembled (special instructions to PCB manufacturer, how the OLED stays in place, etc) The goal is to make a small prototype run of PCB. Please only apply if you can help me get a real working PCB in my hands. It should be trivial if you have done this before. This may lead to more projects with us. Thank you !
...gas sensor problems. The project requires someone who is knowledgeable about different types of gas sensors, their functioning, and how to calibrate them. Specifically, I need someone familiar with a Carbon Dioxide (CO2) and Ammonia (NH3) Sensor. The task at hand is to solve a calibration issue. No additional features are needed at this time. We need someone who is skilled in the use of Modbus, i2c, and rs485 technologies to create a solution that will improve the accuracy of our sensor's data. If you think you are the right person for the job, please apply now. Looking forward to hearing from you! I am open to different options to meet my needs and I'm expecting a delivery time of 1-3 weeks. If you have the experience and know-how to make this happen, I would be happy...
...checked at the design completion stage, and then submitted to the manufacturer after that. The primary focus should be on checking the correctness of the electrical circuit. While aesthetics of the design and component footprint accuracy should also be taken into account, they should be secondary considerations. I want to review each block of my circuit. That is base on ESP-Wrover module, GSM module, I2C Pressure sensor, USB to UART module, and power over ethernet module. I want to submit my PCB layout at JLCPCB, you need to make the necessary correction before submit to the manufacturing. Design was made by Altium software. You need to check all of the footprints, and circuit diagram properly with the power, voltage and current calculation. You need to give 100% accuracy before ...
I need the configuration of an ADC (LTC2497) because I have to acquire analog data from NTC sensors and send them to the master with I2C protocol.
Strong skills on Embedded C/C++ · Should have knowledge in HMI based GUI development with various HD icons, sliders, graphs and drop down menus · Hands-on experience on various microcontrollers AVR/PIC/ARM/STM32F4/Xilinx XC7Z020 · IDE experiences on AVR Studio/ MPLAB/Keil IDE · Peripherals like - UART/SPI/I2C/ADC/PWM FPGA interfacing includes C Code for: ADC IC with SPI interface. DAC IC with SPI interface. 12 Bit Parallel Data interface with DAC IC. 8 Bit Parallel Data interface with DAC IC for sine wave generation. 10 PWM channel interface. SDRAM interface. SD Card Interface. USB interface RS232 Interface Current Steering DAC interface interaction experience on FPGA Able to prepare and implement the Pre-production...
Relay control through DWIN UART touch screen 5” In this project the soft buttons will operate 96 relays. There will be 16 relays in one PCB & hence max 6 boards can be attached with each other to make it 96 relays. Each board will be connected to other through i2c or any other protocol. Scope of work: -LCD GUI: GUI will be made by developer. It will be multiple pages based . Basic idea of page layout will be provided by us. When the GUI opens up it will detect no. of boards installed inside. If its 1 board, GUI will show 16 buttons. If 2 cards found then 32 Buttons & so on upto 6 cards & 96 buttons -Editable fields : The button names will be editable by user. By default buttons will be named as 1,2,3 up to 96 (Hard code). User can change this no. to name at run t...
I am looking for someone who can deliver a code to get the address (scan) and get the temperature values from a sensor MLX90614 using as master a development board Heltec AB02S using the second I2C port
I am looking for someone who can code for esp32 to use two PN532 devices via the two I2c connections (two wire) . Please someone who can create and test it with own PN532 and esp32.
I am looking for a freelancer to help me write a gauge firmware in C language for an esp32 board to monitor 3.7V battery voltage. The firmware should utilize an I2C interface to allow access to the data. The gauge firmware should provide data such as voltage, current, battery life percentage, etc. Please start your bid with, "Battery monitoring Firmware writing". Additionally, this project requires accurate calculation of battery condition and life expectancy in order to ensure customers receive the best possible experience. The freelancer must have experience in writing firmware for managing battery information, using I2C and C programming language. I am hoping to find someone who is reliable, knowledgeable, and experienced in this type of work.
INKJET MANUFACTURER SEEKING EMBEDDED CHIP ENGINEER TO REVERSE ENGINGEER INKJET PRODUCTS. INDIVIDUAL NEEDS TO BE PROFICENT IN PROGRAMMING LANGUAGES SUCH AS C OR C++. STRONG KNOWLEDGE IN PROTOCOLS LIKE I2C, SPI, UART AND ISO 7816. INDIVIDUAL NEEDS TO HAVE THE ABLITY TO ANALYSIS COMMUNICATION SIGNALS BETWEEN PRINTER AND INKJET CARTRIDGES, CRYPTOGRAPHY USING LOGIC ANALYZERS OUTPUT PROJECT IS FOR PREFFERED INDIVIDUALS FROM THE INKJET INDUSTRY WITH 5-10 YEARS EXPERIENCE, USA CITIZENS AND OR NEW YORK RESIDENTS
I would need someone creating a program for Arduino. Hardware: - a device generating a 4-20mA signal - a 20 characters x 4 lines LCD screen () - an Arduino UNO Rev3 - a I2C Shield for Arduino Uno () - a 2-Channel 4-20 mA Current Loop Receiver 16-Bit ADS1115 I2C Mini Module () The need: The sensor can read 2 distinct 4-20mA signals. The program should read the 4-20mA signal #1 and can trigger output #1 if the ADC value goes above X, and do the same for signal #2 and output #2 if the value goes above Y. The program should also display both mA numbers on LCD as: mA channel-1: XX.X Set: >XX.X
Need a High Voltage Power supply that can supply 2600V and 5mA for >1 second - not more than 2 seconds. It should be powered by 24VDC or less. Requires an I2C trimmer potentiometer to adjust voltage. Requires an ADS1015 to measure voltage and current. Requires an ON/OFF signal from 5V Optical isolation for i2C bus.
EXPERIENCED PROGRAMMER NEEDED Are you looking for a SHORT-TERM programming project? You will use our product specifications and work with our chief engineer to create firmware code that will control our hardware product. You MUST have the following skills. * Experience with the Arduino Platform * Programming in C or C++ * Knowing the I2C communication protocol Is Required * Python programming is a plus * Must have a car and be within driving distance of Canton, MI (USA) Because of the complexity of the project, multiple face-to-face meetings is necessary. Remote-only is NOT an option. Send your contact phone and best time to call: Opportunity for revenue sharing for the right person
Hi, I am looking for a pcb design with the following specs: - Should be done in Kicad 6 - All parts should be available and in stock from lcsc (part numbers and footpr...optimized for cost and reliablity - PCB should be resilient against emi Parameters - ESP32 module - 4x4 channel ADC - ADS1115 with different addresses selected. Broken out to phoenix screw terminals. The ADC input should have a voltage divider to support the reading of max 13.6v (13.6v 7AH battery) - Power: support 12vdc input. (13.6v 7AH battery) broken out to phoenix screw terminals. - I2C bus broken out to phoenix screw terminals. - 4xio broken out to phoenix screw terminals with applicable optional pull up and pull down resistors. - TXD, RXD, EN & IO0 broken out to dupont connector for programmin...
...HX711 ADC amplifier (datasheet attached). It will certainly need a Bluetooth chip, ATBTLC1000A, (datasheet attached) and a chip antenna, ANT1005LL14R2400A, (datasheet attached). In addition I need added resistors and capacitors to decouple the pins that I will be using, though I am unsure about the value of resistance and capacitance needed so please use your expertise for that. I will be using the I2C pins for connection with the output of the HX711. The PCB will be used for measuring weight and sending it to a phone using Bluetooth LE. It needs 2 pads to be connected to the positive and negative ends of the 3V battery. In addition it needs 4 pads to be connected to the off board strain gauges (2 strange gauges). The two strain gauges and two resistors (350 ohm) will be used to...
Plz go through the attachment and help me to understand how master reading and writing data to slave.(sequence, memory address and data)
Hi, i need to get the LIS3D accelerometer running on an ESP32 on I2C. The LIS3D has a INT pin which i want to use when the Accelerometer detects motion.
Need a master code which Arduino i2c sends 125 writes per transmission to the slave eeprom. Between a start and stop 125 data want to be written.
Hallo, i am developing a solar powered audio recorder based on the ESP32 with these requirements: Power consumption (99% of the time): 15mA Max power consumption (spikes): 400mA Solar input: 5V solar panel Battery: one cell (6Ah) Your Job: Designing the battery management with the following requirements: - Battery charger - ...possible - Low noise due to audio application - Cost of parts: >4USD The user should be able to choose which battery technology he wants to connect. Either LiFePo4 or Li-Ion. So there can be two battery connectors. One for LiFePo4 and one for Li-Ion. Or instead of two connectors only one connector and a DIL switch to choose between LiFePo4 and Li-Ion. Switching with software (Firmware on the ESP32 (I2C) is possible as well. Please ask me if you have a...
Hi, I am looking for hardware design, which should support 1, wifi 2. 4g/5g Modem 3. ADC - 2nos 4. Spi 5. I2c 6. UART - minimum 4 nos 7. Modus chip in board 8. USB type c charging port 9. USB serial port data 10 SD supported Please let me know the quotation and time required for this
Hi, I need a simple program to read the status of the I2C PD USB-C ICs ( HUSB238 ). The driver for the device already exist, just need to be fixed to use the Wire library instead of the i2c.h All the program has to do is to read the status of the registers on the HUSB238 and print them out on the serial port. Find the drivers here This should be an easy enough job for any programmer.
A scale using esp32 and Hx711 that displays the current output on an i2c 7 segment 4 digit display. Also when an nfc tag is detected it associates said entity with weight and publishes the two to a Google sheet.
I need a code for arduino and the language is c++ for this project: Our project is an automated pillbox: It has arduino uno wifi, LCD I2C, keypad 4*4, buzzer (alarm), 2 IR sensors, 2 micro servo motors. 1- the patient will set the pillbox he will enter date/time. 2- he will choose number of medications (1 or 2). 3- he will enter the time and number of pills for each medication. 4- when it’s time to take medication 1 alarm will go on until the patient press the button on the keypad. 5- the door of medication 1 will open using micro servo motor. 6- there is IR sensor inside the compartment of medication 1 to sense the medication has moved or not. 7- the patient has to conform taking the medication if yes number of pills for medication 1 will reduce by 1 and upload to th...
Note: I'm looking for developers that have previous experience with GreenPak ICs I have a sensor that consumes ~300uA at 3.3v and I need to reduce it's power consumption by duty cycling it. The GreenPak design will need to power up the sensor, read the differential analog output, store the number of changes in a counter then power down the IC. The counter will be available via I2C for an external CPU.
TEST HYDRAULIC ELECTROVALVES The Particle Web IDE National control devices PCA9685 8-Channel 8W 12V FET Driver Proportional Valve Controller 8-Channel DC Current Monitor with I2C Interface 2-Channel Signal Relay 1A SPDT I2C Mini Module 1 i2C pressure sensor 1 Interface ADC....etc Rasbery i2c communication, Particle Photon,The Particle Web IDE more info :
Airsoft Bomb Arduino nano project Devices used: i2c display 1602 TM1637 = 11, 12 keyboard 4x3 = 8, 7, 6, 5, 4, 3, 2 Buzzer = 9 red LED = A1 yellow LED = A2 green LED = A3 relay = 10 The logic of the program: 1. Initialization of all devices, timer and libraries. 2. On the display 1602 the inscription "Enter code" 3. If you press "*" and "#" before activating the timer, you will not be able to change the standard time of the timer (Max Minutes <=59 and Max Seconds <=59), but after activating the timer, you cannot change the time. 4. While entering the code, each time you press it, the yellow LED and the buzzer will turn on. 5. After entering the code "7355608" on the display 1602 "press "#" to activate", after pressi...
Hi there. Currently we are using a CPU Board of Actions S500 SoC with an AMOLED 1.78" MIPI-DSI I2C Touchscreen. It's working fine in our Board. Now we upgraded our PCB with RockChip RK3566 SoC. So I need some expert support to move the Touchscreen Driver from our old S500 PCB to the new RK3566 PCB. Also need some basic GPIO configuration. All necessary remote access support will be provided upon development. Please apply with a relevant portfolio. Required previous Rockchip ARM CPU with MIPI driver development experience. Developers from Shenzhen, China or HK are highly preferred. Thanks.
I need a C code to read the MPU9250 sensor through SPI using a Raspberry Pi 0. Demonstrated 40 Hz data rate on I2C; we must achieve 100 Hz cycle rate using SPI. The code must initialize the sensor at the beginning of the process, as shown in file "NAVIO ". At every iteration (or at no more that once every three seconds), logged data must be saved to a text file. Every row of this text file must have this structure: boot time, accelX, accelY, accelZ, gyrX, gyrY, gyrZ (see file "") The code must log all the relevant faults (sensor initialization issues, frame overrun, etc...) and must be able to run as thread.
I need a code for arduino and the language is c++ for this project: Our project is an automated pillbox: It has arduino uno wifi, LCD I2C, keypad 4*4, buzzer (alarm), 2 IR sensors, 2 micro servo motors. 1- the patient will set the pillbox he will enter date/time. 2- he will choose number of medications (1 or 2). 3- he will enter the time and number of pills for each medication. 4- when it’s time to take medication 1 alarm will go on until the patient press the button on the keypad. 5- the door of medication 1 will open using micro servo motor. 6- there is IR sensor inside the compartment of medication 1 to sense the medication has moved or not. 7- the patient has to conform taking the medication if yes number of pills for medication 1 will reduce by 1 and upload to the cloud....
Work on Arduino, Raspberry PI, and ARM-based embedded software development. have experience in the following: - Advanced Arduino and Raspberry PI programming (e.g. sketches, bootloaders, drivers) - Adding or updating firmware on wireless modems and modules - Experience with C/C++ programming - Familiarity with hardware interfaces (I2C, SPI, UART, USB, etc) - Familiarity with ARM-based systems, compilers, toolchains, and debugging. - Basic knowledge about Cloud. - Experience with Qualcomm chipset is a plus. Working on-site (in Seattle-area) or remotely
...sensors, one after the other to display their output on an LCD screen. using sensors 2 ea Gravity SEN0308 analog capacitive soil moisture sensors to be set in different planters. 1 ea Gravity SEN0249 Analog pH sensor 1 ea NPK (nitrogen, phosphate, potassium) sensor through a RS-485. 1 ea fermion - Temp, Humidity(SHTC3), pressure (BMP280), AMbient light(VEML770), UV light(ML8511) Breakout (I2C/UART) or if this is a problem sensor as I am finding no singular programming for it, then I can just use 1ea Gravity UV sensor SEN0162. I am trying to connect all to bluetooth via a Gravity BLE sensor beacon, through a 6 in 1 USB to serial convertor(TEL0149). Besides the serial viewing of the readings, need to view output on either a 16x2 LCD via 16 pin-out, or can...
Proficiency in programming languages such as C or C++ Strong knowledge in protocols like i2c, SPI, UART and iso7816 Ability to Emulate any EEPROMS using logic analyzers output Embedded firmware design(Attiny45,PIC16F877A). Excellent debugging skills. Job Type: Consultant Benefits: Flexible schedule Experience level: No experience needed Application Question(s): PLEASE ANSWER Are you able to emulate any EEPROMS using logic analyzers output? Are you able to analyze protocols like i2c, SPI, UART and iso7816?
...accelerometer, wifi, BT, with always ON display, long battery life and extensive custom functionality. Candidate Must Have the following abilities: 1: Extensive imbedded experience and knowledge of highly relevant products, brought to completion and production by your clients. 2: Knowledge of low level code in order to achieve elegant, streamlined firmware 3: Extensive knowledge of bus, I2C, low power multi-processor architecture. 4: Ability to assemble SMT fine pitch boards in-house. You have experience in printing your demo boards with paste and placing fine pitch parts, probably under the microscope, and reflow properly. 5: Understanding of RF design rules in pcb, impedance-matching. 6: Understanding and experience in FCC/CE and other radio emissions ...
...communication. Requirements • 3+ years of experience in embedded software engineering. • Proven experience in programming with C or C++ • Strong knowledge in the programming of microcontrollers/microprocessors. • Experience in Energy meter and water meter protocols like MBUS, Euridis, etc. • Knowledge in Communication modules like GSM, GPRS, WIFI, RF, etc. • Low-level driver implementation (like SPI, I2C, UART, etc.) • Experience in developing embedded systems as well as troubleshooting problems in them • Experience in the design of embedded systems with real-time multitasking operating systems • Familiar with working with Firmware tools such as Oscilloscopes, Logic Analysers, etc. • Excellent knowledge of operating systems, codi...
... This project will involve serial communications (RS-485), control of GPIOs, analog sensor readings via external ADC (SPI), storage of data to flash memory (SPI), and communication to simple peripherals (i2c). The timing of various GPIO state changes, directed by serial commands, is crucial to the operation of this project. Thus, a good understanding of task scheduling, interrupts, and timing is required. • Requirements/Experience: • Microchip PIC, ARM Cortex-M3 Microcontrollers or similar • Serial Communication • Flash Memory • Process Scheduling/Task Scheduling • SPI and I2C Communication • GPIO Read/Write • Watchdog Timer and other Reliability enhancing features • Analog Circuit, digital logic, displays and mo...
- ESP32-C4 Mini 1 Ea - Temperature/Humidity I2C SHT21 1 Ea - RS485 Port(A/B/G) 1 Ch - OLED 0.96" I2C 1 Ea - Support Power 12-60VDC 1 Port - BOX Hammond 1551V2BK BOX 1 Ea - DIP Switch Modbus ID Include
Should be able to develop Software requirements from Systems Requirements Should be able to develop low level software such as Device Driver, Start-up code/boot loader, board bring-up, firmware development, Assembly Language, With or without RTOS/Linux. Should be able to integrate SW with HW, debug and test the embedded software on hardwar...peripherals to develop low level software and suggest alternates. Understanding of DO-178C Checklists and fill them while performing peer reviews Programming Language: C, Embedded C, Data Structure Embedded: Device Driver, Start-up code/boot loader, board bring-up, firmware development, Assembly Language, RTOS, Linux SDLC/SW Engineering: Design, Development, Verification Embedded Protocol: I2C, SPI, UART, CAN , Avionics: DO178B/C, S2O...
