Description says "32 khz rtc real time clock crystal", photos show 8mhz crystal. which is the official implementation and what do you actually get?

Both. The black chip next to the crystal is the real time clock. The 8MHz crystal stabilizes the CPU clock.

Photo shows gnd on pins 3&4 but on the devices i received, gnd is shown on pins 5&6. which is correct? i cannot connect to my target.

first invest in a multimeter and learn how to use it. second, the blue pill has three grounds as labeled on PCB, "G". In addition download the blue pill doc which will show you how to connect. you should also note that the cpu pins do not match the connector pins. If you put power on a ground pin, it's probably toast. it's good that they are so dirt cheap. this all assumes you have a "generic" board. Your ST-Link may also have a problem. good luck... "https://www." + "onetransistor.eu/2017/11/stm32-bluepill-arduino-ide.html"

Initeq Stm32 Arm Stm32f103c8t6 Blue Pill Minimum System Development Board

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Description

🚀 Power your innovation with the ultimate Blue Pill duo—code faster, debug smarter!

REAL TIME CLOCK CRYSTAL - Keep precise time with the built-in 32kHz RTC crystal for time-sensitive applications.
ARDUINO COMPATIBLE BOOTLOADER - Jumpstart your projects with easy Arduino integration and vast community support.
BLAZING FAST 72 M HZ ARM CORTEX M 3 - Experience smooth, high-speed processing power for your embedded projects.
DUAL DEVELOPMENT BOARDS INCLUDED - Double your prototyping potential with two Blue Pill boards in one pack.
SEAMLESS USB PROGRAMMING DEBUGGING - ST-Link V2 USB interface ensures hassle-free coding and debugging without extra converters.

The initeq STM32F103C8T6 Blue Pill Development Board pack includes two powerful 32-bit ARM Cortex-M3 microcontroller boards clocked at 72MHz, each with 64KB flash and 20KB RAM. Featuring a built-in 32kHz RTC crystal and an ST-Link V2 USB programmer, this kit offers seamless Arduino-compatible programming and debugging, making it an ideal choice for professionals diving into embedded systems and custom PCB projects.

Specifications

ASIN	B079B95L9Y
Best Sellers Rank	#3,328 in Single Board Computers (Computers & Accessories)
Brand	initeq
Built-In Media	Two development boards, one ST-Link V2 compatible USB device for programming/debugging
CPU Speed	72 MHz
Compatible Devices	Computers (PCs, laptops, tablets) with USB connectivity
Connectivity Technology	USB
Customer Reviews	4.4 out of 5 stars 97 Reviews
Manufacturer	initeq
Memory Storage Capacity	64 KB
Mfr Part Number	STM32BPSL01
Model Name	STM32F103C8T6 ARM STM32 Minimum System Development Board
Model Number	STM32BPSL01
Operating System	Linux
Processor Brand	STMicroelectronics
Processor Count	1
Processor Speed	72 MHz
RAM Memory Installed	20 KB
RAM Memory Technology	DDR
Ram Memory Installed Size	20 KB
Total Usb Ports	2
UPC	810673030927
Wireless Compability	Bluetooth

Reviews

R**S

4.02.2025

M**E

14.07.2020

V**R

5.12.2018

H**R

13.07.2025

J**E

15.01.2023

T**3

28.05.2022

O**T

8.03.2024

J**T

18.11.2020

Y**M

1.01.2020

M**C

29.08.2020

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€ 62.45

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In stock

Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Italy.

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