Sri Electronics & Embedded Solutions

The A9 development board is a multi-functional development board based on AI-Thinker's A9 GPRS/ GSM module, you can use it to verify the basic communication and peripheral functions of A9 module. It has the basic phone/ SMS, GPRS networking communications.

BBC micro:bit V2

Micro:bit V2 has many features and is fully programmable. Each of its LEDs is individually programmable. It is also equipped with a MEMS microphone, speaker and touch-sensitive logo. Equipped with 2.4GHz micro:bit radio and BLE Bluetooth 5.0 if you want to perform wireless projects. It also has 25 red LEDs that can flash messages and two programmable buttons that can be used to control games or pause and skip songs in a playlist. The micro:bit v2 can also detect motion and tell you which direction you're going with the help of the built-in accelerometer.

This is XH-W3001 DC 24V 240W Digital Temperature Controller Microcomputer Thermostat Switch. Its a temperature measurement and Controller tool with high accuracy and precision at a very low cost. Furthermore, it offers temperature control range from -50C to +110C with a precision of 0.1C. The LED display of the switch shows the results clearly, so you can directly install or embed the XH-W3001 in the industrial control equipment panel conveniently.

In addition to temperature control, it features a 1M probe made up of stainless steel material which makes it waterproof and does not let it rust easily. All the delicate and sensitive components are kept safe in ABS flame retardant housing which is a virulent and environmental protective. Applications of this switch include temperature measurement and display system, refrigeration and heating control, and seafood machines.

Button functions:

1. Press UP to show the start temperature button.
2. On long press of the UP button, the display starts flashing, then press the UP or DOWN button and set the beginning of the temperature value
3. Press Down to stop temperature.
4. On long press of the Down button, the display starts flashing, then press the UP or Down button and set to stop the temperature value.

Features:

1. Easy to install
2. Output type: Direct output
3. Output capacity: max. 10 A
4. Up key: Press once to display the start temperature. Long press to set start temperature.
5. Down key: Press once to display the stop temperature. Long press to set stop temperature.
6. Temperature setting upper and lower limits

Specifications:-