So, why should you consider using Xin Zhi Zhao Schematic in your electronics design and development work? Here are some benefits:

: You can add annotations to PCB drawings. These are stored in the cloud and can be shared with other technicians via a link or account ID.

for pins, allowing you to compare live measurements with reference data. Broad Device Support Smartphones

[USB +5V] ----+---- [1uF Capacitor] ---- Pin 1 (VCC) | +---- [10k Resistor] ---- Pin 5 (CHRG) ---- [LED] ---- GND

| Component | Value | Purpose | | :--- | :--- | :--- | | U1 | Xin Zhi Zhao (Marking: XZZ4056) | Charger + Protection IC | | R1 | 1.2kΩ (1%) | 1A charge current | | R2 | 10kΩ | LED pull-up | | C1 | 10µF / 16V | Input decoupling | | C2 | 10µF / 6.3V | Battery filtering | | LED1 | Red (5mm) | Charging indicator | | J1 | USB-C or Micro USB | Power input | | B1 | 3.7V Li-ion (18650) | Battery |