Low voltage stepper motor driver expansion board based on STSPIN220 for STM32 Nucleo
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.
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.
Motor control connector expansion board for STM32 Nucleo
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.
This is an incremental rotary encoder that uses non-contact magnetic sensing to detect rotational speed and direction. Two Hall effect sensors measure the 66-pole ring magnet and output two orthogonal signals. This automotive-grade solution is a low-cost, high-reliability alternative to conventional mechanical contact encoders due to its use of solid-state detection, which is immune to physical wear, dirt, corrosion and RF noise.
μSMUs are not meant to replace precision SMUs, but to complement them in cost-sensitive areas where accuracy is not required.
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~
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.
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.
Secure element expansion board based on STSAFE-A110
12-bit, 300 kSPS, single supply, fully isolated data acquisition system for 4-20 mA input
The TRK-MPC5606B development kit for NXP® MPC560xB/C series 32-bit MCUs is the latest integrated device for automotive body electronics applications.
STM32 Nucleo-144 development board using STM32H753ZI MCU, supports Arduino, ST Zio and morpho connections
The LPCXpresso55S16 board is NXP's development platform for evaluating and prototyping the LPC5500 microcontroller family.