SG90 Datasheet PDF – 9 g Micro Servo – TowerPro

Part Number : SG90

Function : 9 g Micro Servo

Image :

SG90 Image


Tiny and lightweight  with high output power. Servo can rotate  approximately 180 degrees (90 in each direction), and works just like the standard kinds but  smaller. You can use any servo code, hardware or library to control these servos. Good for beginners who want to make stuff move without building a motor controller withfeedback & gear box, especially since it will fit in small places. It comes with a 3 horns (arms) and hardware.

1.  Weight: 9 g
2.  Dimension: 22.2 x 11.8 x 31 mm approx.
3.  Stall torque: 1.8 kgf·cm
4.  Operating speed: 0.1 s/60 degree
5.  Operating voltage: 4.8 V (~5V)
6.  Dead band width: 10 µs
7.  Temperature range: 0 ºC – 55 ºC


SG90 Datasheet


1. Used as actuators in many robots like Biped Robot, Hexapod, robotic arm etc..
2. Commonly used for steering system in RC toys
3. Robots where position control is required without feedback
4. Less weight hence used in multi DOF robots like humanoid robots

Reference Site :

1. Servo Motor SG-90 Basics, Pinout, Wire Description (

SG90 Datasheet PDF

SG90 pdf


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SN8P2501 Datasheet PDF – 8-Bit Micro-Controller – Sonix

Part Number : SN8P2501

Function : SONiX 8-Bit Micro-Controller

Manufacturers : Sonix Technology Co., Ltd

Pinouts :

SN8P2501 image, SN8P2501BPB

Description :

The SN8P2501B is a RISC-like high performance and low power consumption 8-bit micro-controller. One clock per instruction cycle (1T) architecture will provide up to 16MIPS computation power.

Also, the high EFT (Electrical Fast Transients) protection capability let this device is suitable for high noisy industrial application.

The device is designed with the excellent IC structure including the program memory up to 1K-word OTP ROM, data memory of 48-bytes RAM, Two 8-bit timer (T0, TC0), a watchdog timer, three interrupt sources (T0, TC0, INT0), and 4-level stack buffers.

SN8P2501 Datasheet


SN8P2501 Datasheet

SN8P2501 pdf

Other data sheets within the file : SN8P2501A, SN8P2501B, SN8P2501BPDG, SN8P2501BSB