STM32 Nucleo-144 development board using STM32H753ZI MCU, supports Arduino, ST Zio and morpho connections
MSP430 car solution includes Protel and source code. It includes electric car seesaw, simple smart electric car, suspension motion control system, and automatic round-trip electric car.
Password locks are relatively common in life. There are various types of locks. The most common ones are in the form of numbers. Generally, you need to enter a few numbers to complete the password. This project uses color to complete the password lock. There are many types of colors, which are more complicated than numbers. Using color cards to set the password and unlock the lock is more difficult to crack, and it is relatively safer.
The Renesas Pet Activity Monitor is a practical reference design created in celebration of the Year of the Dog. This device can track your dog’s barking and activity, and data can be viewed and downloaded from your PC.
S32K146 Evaluation Board
μSMUs are not meant to replace precision SMUs, but to complement them in cost-sensitive areas where accuracy is not required.
A single-lead ECG acquisition system based on GD32F350 is designed. The system uses a single-lead method to obtain ECG signals. Users only need to install the lead electrodes on their hands, and they can check their ECG anytime and anywhere without going to the hospital to specifically check their heart health.
Motor control connector expansion board for STM32 Nucleo
Low voltage stepper motor driver expansion board based on STSPIN220 for STM32 Nucleo
12-bit, 300 kSPS, single supply, fully isolated data acquisition system for 4-20 mA input
STM32 Nucleo-144 development board using STM32F429ZI MCU, supports Arduino, ST Zio and morpho connections
The MPC8349E Modular Development System (MDS) is designed to assist hardware and software developers using the PowerQUICC II Pro MPC8349E family.
mini-violin is an open source project for violin design, and the circuit schematic is quite simple. The ATtiny85 controls two LEDs and a piezo buzzer, in addition to a button to switch songs. What's particularly interesting is that the violin strings are connected to the analog inputs of the microcontroller so that they can be controlled by contacting conductive materials. Come play the violin.
The portable soldering iron launched by PINE64 in the early days was based on the GD32 design. This time it was upgraded to the second generation product, which was changed to the domestically produced BL706. Its feature is that it supports low-power Bluetooth. The Bluetooth OTA upgrade function will be added to IronOS later. IronOS supports a variety of portable DC, QC, and PD powered soldering irons, and supports all standard functions of smart soldering irons.
This design mainly explains the circuit and software design of the node equipment, coordinator equipment and gateway equipment in the greenhouse, completes the front-end and back-end interaction between the web page and the WeChat applet, and completes the data transmission test and communication distance test.
Just like piranha and mimosa, when your hand comes close to the petals, you can quickly close the 6 petals. It can be opened automatically after leaving~
Secure element expansion board based on STSAFE-A110
Nowadays, almost all circuit boards use surface mount packaging, so I have always wanted to DIY a chip placement machine. After searching online for a long time, I finally decided to use the open source OpenPnP. The hardware and software are both open source.
Recently, Sebastian Staacks, a physicist and development engineer from Germany, created a unique electronic guestbook for his brother's wedding. The guestbook is developed based on the ESP32 Wi-Fi module. All wedding guests can log in to a simple web interface through their mobile phones, enter text messages and upload pictures. Affected by the COVID-19 epidemic, some friends cannot be present, but they can express their greetings and blessings to the couple remotely through this guestbook.
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