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User Manual

ManualsBrandsGearwoo ManualsSoldering & Brazing Equipment4-Digital DIY Clock Kits, LED Talking Clock with Speaker, PCB for Soldering Practice Learning Electronics +Transparent Case+ English Instructions, CR1220/CR1216 Batteries are NOT Included
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2020/12/17 Voice clock installation tutorial
www.diyleyuan.com/JC/HJ10-0-1.html 6/17
Installed battery After
checking that all components and integrated circuits are correct, use the USB cable to supply
power. Note that the power supply is 5V. The power supply cannot be greater than 5V. If it is too
large, burn the chip and it cannot be powered by the router. Just use a mobile phone charger to
supply power.
If you use a power bank for power supply, you cannot use a power bank with automatic power-o
ff
protection. The working current of this clock is about 30mA. The power bank detects a low current
and thinks that the mobile phone is fully charged and will automatically power o
ff
.
Regarding battery power supply, there will be no electricity for 1-2 days when battery power is
supplied, so it has to be charged every two days, so it is more troublesome. It is better to use USB