Description
This 6-digit DIY alarm clock soldering kit electronics practice board is a teaching kit for people who want to improve the welding skills.This fun soldering practice kit can be used as a gift. Specification: Product:Electronic Production Teaching Kit Applicable voltage: 5-12V PCB board size: 90*70*1.6mm/3.54*2.76*0.06inch Effect: 6-digit DIY alarm clock Packing List: 1 Set 6-digit DIY Alarm Clock DIY Electronic Experiments Teaching Kit (1Set List: 1 * circuit board, 2 * color ring resistance 10K, 8 * 470 Ω, 6 * 4.7K, 1 * switch, 4 * red LED, 1 * socket, 1 * integrated circuit, 6 * 8550, 1 * 78L05, 3 * capacitance 10UF, 1 * 220UF, 2 * 30PF, 1 * 104, 3 * diode, 1 * battery socket, 1 * Button Cell , 1 * crystal oscillator, 1 * wiring terminal, 3 * tube (3621BS-1)) Advantage : 1.The clock is powered by an external power supply. The provided backup battery can be used for power supply during power failure, the clock will not stop but the digital tube will not display. You can add a power supply, and turn off the power supply when you go out to save electricity. 2.The pcb board prototype kit is tinned, not easy to oxidize, high-strength fireproof, anti-drop material, can be disassembled and assembled repeatedly.Electronic components are clearly marked. Instruction: 1. Please ensure that all components are in the correct direction and position; and check whether pseudo/float welding. 2.Since the accessories are very small, it is recommended to use a pointed clip to assist welding. Note: 1.Please check compatibility before purchasing. 2.It is normal for the product color to differ from the image due to the luminous effect.
