nordic module nrf52805 bluetooth ble 4.2 5.0 accessories serial communication amplifier board mini radio

$405.00

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Great cost-advantage BLE module MS46SF11 is a compact size (15.8 x 12.0 x 2.0 mm), highly flexible, ultra-low power wireless...

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Great cost-advantage BLE module

MS46SF11 is a compact size (15.8 x 12.0 x 2.0 mm), highly flexible, ultra-low power wireless BLE 5.0 Module based on nRF52805 SoCs; Its powerful 32-bit ARM Cortex® M4 CPU, a 192kB flash memory, a 24kB RAM and integrating a 2.4 GHz transceiver can offer the perfect solution for Bluetooth connectivity.

Chip
Nordic nRF52805 
CPU
ARM Cortex-M4 processor
Bluetooth version
5.0
Antenna type
PCB
TX Power
Max. +4dBm
Protocol
UART
Range
Up to 60-meter in open space
Metal shielding with marking
15.8 x 12.0 x 2.0 mm
2400-2483MHz

 

Symbol

Definition

Description

Pin 1

ANT

Connect pin for external antenna

Pin 2 to Pin 7

NC

 

Pin 8

P0.21

UART TX

Pin 9

P0.18

UART RX

Pin 10

VCC

VCC

Pin 11

GND

GND

Pin 12

P0.05

CON_IND

Pin 13

P0.04

FIFO_FULL

Pin 14

P0.16

SLP

Pin 15

P0.12

BTDATA

Pin 16

SWDIO

Serial wire debug clock input for debug and programming

 

Pin 17

SWCLK

Serial wire debug I/O for debug and programming

Pin 18

NC

 

 

FAQ

  1. How often should I have my sewing machine cleaned and serviced?
    A. It depends on how often the sewing machine is used and the type of work done on the machine. Cotton fabrics and thread tend to create more lint buildup on your machine. Servicing and cleaning your machine allows the machine to operate smoothly. Also a machine that has been in storage for some time will require servicing as the lubricants can dry up over time.
  2. Why does the upper thread break?
    A.The needle may be inserted incorrectly or the eye may have sharp edges, the machine is not properly threaded or the upper thread tension is too tight.
  3. Why does the bobbin thread break?
    A.The bobbin may be wound unevenly, the bobbin case could be threaded incorrectly or the bobbin thread tension is too tight.
  4. How come my sewing machine skips stitches?
    A.You may have a bent or blunt needle, the needle is inserted incorrectly or the pressure on the foot is insufficient.
  5. Why do I keep breaking needles?
    A.The needle may be inserted incorrectly, you are pulling the fabric while sewing or you may be utilizing the incorrect size needle or thread for the fabric being sewn.
  6. Why doesn’t the sewing machine feed properly?
    A.The drop-feed knob is improperly adjusted, the pressure on the foot is insufficient or the stitch length knob is set too close to zero.
  7. Why does the fabric pucker?
    A.The upper thread tension is too tight, the bobbin thread tension is too tight or the fabric may be too sheer or too soft.
  8. Why does my sewing machine make loose stitches or loops?
    A.Tension is not properly adjusted.
  9. Why does my sewing machine run heavily?
    A.Machine may need oiling, dirt or lint buildup in the shuttle or dirt and lint between the teeth of the fabric feed dogs.
  10. My sewing machine will not sew. Why?
    A.Cord is not plugged into the electrical outlet or the stop motion knob is not tightened.
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nordic module nrf52805 bluetooth ble 4.2 5.0 accessories serial communication amplifier board mini radio

$405.00