input power supply 3.3~6V, Prohibit more than 7V | No "Automatically prevent power supply peversing func", so please correctly connect power supply | We advise to install "Bluetooth master module" | The "State" is output foot for LED status, when bluetooth "Unconnected", output "Pulse" ; when bluetooth "connected", output "High level", we can determine the states from "MCU" | If only the board , No any "Bluetooth Function "

Size: 1.28";Resolution:240x240;Driver chip:GC9A01 | Interface mode: SPI;Color: full color RGB | Driving voltage: 3-5V;Perspective: IPS full perspective | Operating temperature:-20-70℃ | Display size: 32.4mmx32.4mm;Overall dimensions:38mmx45.5mmx3.2mm

Car positioning in navigation | Mobile phones, tablet PCs, handheld devices | Embedded positioning device | Wearable device

If you have any questions, please contact us, we have professional technicians | 1. Durable material: This product is made of high-quality material, durable, long service time, firm and stable in use. | 2. The complete solution takes up the least printed circuit board area. This board is used with 2.4GHz dual-mode WiFi and wireless chips using 40nm TSMC low-power technology. | 3. The best power and RF characteristics are safe, reliable and scalable for various applications. | 4. Meticulous workmanship: The meticulous design, perfect in workmanship, durable and long service life. | 5. Compact and portable: being so mini and light-weight, this product does not take much space and can be easily taken away.

1. NodeMCU-32S is the core development board designed by for Anxinke based on ESP-32S module. | 2. The Development Board continues NodeMCU 1.0 classic design, eliciting most I/O to both sides of the needle, developers can connect peripherals according to their own needs. | 3. When using breadboard for development and debugging, the standard needle arrangement on both sides can make the operation more simple and convenient. | small volume. Easy to embed into any product | Powerful, support LWIP protocol, freertos | Support three modes: AP, STA, AP+STA coexistence mode | ESP32 pin description Download address:https://drive.google.com/file/d/1Jri0UyqIFvaR9GH0-P3i9m6-8vD6mbuz/view?usp=sharing

Portable No Tune End Fed Half Wave Antenna Module Range 80m-10m 50ohm Welded

Internal resistance: 2.1 ~ 2.4Ω (ambient temperature of 23 ± 1 'C, 1kHZ Ac test) | The maximum temperature difference: Tmax (Qc = 0) above 59 'C. | Working current: Imax = 4.3-4.6A (rated at 12V) | Rated voltage: 12V (Vmax: 15V starting current 5.8A);Cooling power: Qcmax 55W | Working environment: temperature range -55 'C ~ 83'C (high ambient temperature drop directly affect the cooling efficiency)