OM14510/SJA1105TJP is an application board used to evaluate SJA1105EL and SJA1105TEL
Battery-powered water meters face a challenge: continuously measuring water flow information while consuming as little power as possible. The EVM430-FR6989 used in this design uses a MSP430 FRAM-based microcontroller, which can provide 100uA/MHz active mode current and 450nA standby mode current, support real-time clock function, and integrate low-power analog and digital peripherals. Additionally, the MCU offers virtually unlimited write endurance, fast/low power writes and data flexibility. This reference design demonstrates how to use the integrated Extended Scan Interface (ESI) on a microcontroller to achieve ultra-low power consumption (versus the same detection method using external circuitry). In a water meter design, if coupled to the LC rotation detection sensor (supplied), the ESI continuously detects thruster rotation while the rest of the microcontroller is in a low power mode. The design automates the measurement process and reduces CPU involvement by using the ESI integrated in the MSP430 MCU, which helps reduce overall power consumption.
The TIDA-00743 reference design is a small module designed to evaluate a digital input Class D audio amplifier in a system dedicated to the classic Class AB audio power amplifier module. This design demonstrates the power loss reduction that a Class D amplifier can achieve. This design demonstrates how the 2.1MHz operation of the TAS6424-Q1 enables a compact power amplifier solution.
Magnetic rotary encoder for angle measurement with contact-free knob
The OM14500/TJA1100 is designed for rapid evaluation of the TJA1100HN PHY. It has direct access to MDI and MII/RMII interfaces and chip configuration bits
When the temperature is lower than the set threshold, the corresponding indicator light lights up and the corresponding relay is closed. The relay can drive the load (fan, refrigeration plate, heating tube, etc.). When the temperature is higher than the alarm value, the sound and light alarm will sound. The keys are setting keys, plus key and minus key. The alarm value and temperature control range can be set, the temperature measurement range is 0 to 99.9 degrees Celsius, and the accuracy is 0.1 degrees Celsius.
ST25R3911B based NFC reader expansion board for STM32 and STM8 Nucleo
CR95HF/ST25R95 based NFC reader expansion board for STM32 Nucleo
STM32 Nucleo-144 development board using STM32H745ZI MCU and SMPS, supporting Arduino, ST Zio and morpho connections
Flirting with jumper caps is a common practice on most boards, but not this board, which is designed to replace all those wires with an analog switch matrix. All one has to do is plug in the device and make a virtual connection on the accompanying GUI. There are also many built-in functions such as DAC and ADC, and the circuit can be switched under the prototype as needed. It also has some LEDs embedded in the breadboard area that light up and provide visual cues that they are connected to each other.
STM32 Nucleo-64 development board using STM32G431RB MCU, supports Arduino and ST morpho connection
This document details the Lakewood (MAXREFDES7#) subsystem reference design, a 3.3V input, ±12V (±15V) output, isolated power supply. The Lakewood reference design includes a 3W primary-side transformer H-bridge driver for isolated supplies, and two wide input range and adjustable output low dropout (LDO) linear regulators. Test results and hardware files are included.
The indoor environment monitoring terminal can monitor the indoor environment (temperature, humidity, lighting and other parameters). The terminal is equipped with a liquid crystal display module; it can realize real-time display of environmental parameters and clocks. The terminal is equipped with an audible and visual alarm circuit, which can set a certain When the parameters exceed the limit value, an audible and visual alarm will be issued; the terminal is equipped with a Bluetooth function, and the mobile phone can communicate interactively with the terminal through Bluetooth. It can realize functions such as detection terminal system time upload, real-time parameter query, sound and light alarm switch control, scheduled upload switch control, and alarm threshold setting.
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