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JESSINIE Manuals & User Guides

JESSINIE provides a wide range of electronic components, development boards, LCD displays, sensors, and power modules for DIY and industrial projects.

Tip: include the full model number printed on your JESSINIE label for the best match.

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JESSINIE Electronics and Development Modules

JESSINIE is a specialized manufacturer and distributor of electronic components, catering to hardware engineers, hobbyists, students, and professionals. Based in Shenzhen, China, and manufactured by Shenzhen ZhengYi Electronic Technology Co., Ltd., the brand focuses on delivering reliable and efficient development boards, displays, sensors, electronics, power accessories, and DIP sockets.

Their product lineup includes WiFi relay modules, Bluetooth audio transmitters, DC-DC buck-boost converters, voice playback modules, and STM32/Arduino-compatible core boards. JESSINIE empowers users to elevate their electronic projects with well-documented, high-performance, and easily integratable modules for smart home, robotics, and IoT applications.

JESSINIE manuals

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JESSINIE manuals from online retailers

JESSINIE 12V Bluetooth Relay Module User Manual

B0BXDP3J5Q • April 11, 2026
Comprehensive user manual for the JESSINIE 12V Bluetooth Relay Module, covering setup, operation, specifications, and troubleshooting for wireless remote control via mobile phone.

JESSINIE RP-L Film Pressure Sensor (Model 74896) User Manual

74896 • April 10, 2026
Comprehensive user manual for the JESSINIE RP-L Film Pressure Sensor (Model 74896). Learn about its features, setup, operation, maintenance, and troubleshooting for applications like pressure sensing, monitoring, and…

STM32H743XIH6 Development Board Module User Manual

STM32H743XIH6, FK743M4-XIH6, FK743M5-XIH6 • 1 PDF • July 25, 2026
Comprehensive user manual for the Jessinie STM32H743XIH6, FK743M4-XIH6, and FK743M5-XIH6 Core System Learning STM32 Development Board Modules, including setup, operation, specifications, and safety guidelines.

1.28 Inch TFT LCD Screen Display Module User Manual

1.28 Inch Round RGB 240x240 GC9A01 Driver TFT LCD Screen Display Module • 1 PDF • June 27, 2026
Comprehensive user manual for the Jessinie 1.28 Inch Round RGB 240x240 GC9A01 Driver TFT LCD Screen Display Module, including specifications, installation, operation, and safety guidelines.

AI Intelligent Voice Recognition Module User Manual

AI Intelligent Voice Recognition Module • June 20, 2026
Comprehensive user manual for the Jessinie AI Intelligent Voice Recognition Module, covering setup, operation, specifications, and troubleshooting for offline voice control applications.

ESPC3 Series Wi-Fi Module Instruction Manual

ESPC3 Series • June 6, 2026
Comprehensive instruction manual for Jessinie ESPC3-05-N4, ESPC3-12-N4, ESPC3-12E-N4, ESPC3-20-N4, and ESPC3-20E-N4 32-bit RISC-V MCU BLE 5.0 WiFi Modules with Onboard Antenna.

LD2411S-24G Ranging Radar Module User Manual

LD2411S-24G • May 13, 2026
The LD2411S-24G is a 24GHz ranging radar module designed for human body motion and micro-motion sensing. It features high-precision distance detection, 5V single power supply, and configurable detection…

1.28 inch TFT Screen Display Module User Manual

1.28 inch TFT IPS Round Colorful LCD Board GC9A01 • March 12, 2026
Comprehensive user manual for the Jessinie 1.28 inch TFT IPS Round Colorful LCD Board GC9A01, covering setup, operation, specifications, and troubleshooting.

JESSINIE support FAQ

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  • What types of products does JESSINIE manufacture?

    JESSINIE specializes in electronic components, development boards, modules, LCD displays, sensors, and power accessories for Arduino and STM32 projects.

  • Where can I find data sheets or pin definitions for JESSINIE modules?

    Pin definitions and usage instructions are typically provided in the product manuals or the item description on JESSINIE's official Amazon or AliExpress storefronts.

  • Who manufactures JESSINIE products?

    JESSINIE products are manufactured by Shenzhen ZhengYi Electronic Technology Co., Ltd., based in Shenzhen, China.

  • Can JESSINIE modules be used with Arduino?

    Yes, many JESSINIE modules, including their displays, sensors, and relays, are highly compatible with smart electronics experiments using Arduino and STM32 platforms.