Model No: WIR-00063
TK. 262.95
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Category: WiFi
Supplier: Made in China
ESP-03 is a wifi module with own GPIO pins.
Pin configuration:
|
Pin |
Name |
Alternate Functions |
Notes |
|
1 |
GND |
(Pin 1 is in the corner close to the xtal and away from antenna) |
|
|
2 |
NC |
||
|
3 |
UTXD |
SPICS1, GPIO1, CLK_RTC |
Typically used as serial uart0 TX |
|
4 |
URXD |
I2SO_DATA, GPIO3, CLK_XTAL |
Typically used as serial uart0 RX |
|
5 |
GPIO16 |
XPD_DCDC, RTC_GPIO0, EXT_WAKEUP, DEEPSLEEP |
Connected to XPD_DCDC ESP pin, can also be connected to ESP EXT_RSTB (reset) pin by closing jumper near pin 8; Reset pin is active low and has an internal weak pull-up; Connecting jumper is required to wake-up ESP from deep-sleep: RTC produces pulse on XPD_DCDC pin that needs to be fed into EXT_RSTB pin |
|
6 |
CH_PD |
Power-down: low input powers down chip, high powers up; tie high for normal operation or module will not function |
|
|
7 |
ANT |
Wifi Antenna, do not connect |
|
|
8 |
VCC |
3.3V input (pin 8 is between antenna and ESP chip) |
|
|
9 |
GPIO14 |
MTMS, I2SI_WS, SP_CLK |
|
|
10 |
GPIO12 |
MTDI, I2SI_DATA, MISO |
|
|
11 |
GPIO13 |
MTCK, I2SI_BCK, MOSI |
|
|
12 |
GPIO15 |
MTDO, I2SO_BCK, SP_CS |
At boot: must be low to enter flash or normal boot (high enters special boot modes) |
|
13 |
GPIO2 |
I2SO_WS, U1TXD, U0TXD |
At boot: must be high to enter flash or normal boot (low enters special boot modes); Typically is used as uart1 TX for debug logging |
|
14 |
GPIO0 |
SPICS2, CLK_OUT |
At boot: low causes bootloader to enter flash upload mode; high causes normal boot |
Related To This Item
Question & Answer
Total 6 questions
Q: can i connect it with arduino uno Questioned by The_creator, 26-Oct-2016
Brekout board must be used. Answered by A.R, 15-Nov-2016 09:52 AM
Q: Please tell me how can i connect this module with my arduino uno... Questioned by arfan67, 14-Nov-2016
You must make a breakout board. Answered by A.R, 15-Nov-2016 09:51 AM
Q: vai esp 03 arduino ar kono cod paoya jayna jodi apne akta kono cod den balo hoto Questioned by arfan67, 23-Nov-2016
Esp03 নিজেই একটি স্টান্ডএলোন মডিউল। তার নিজেরই একটি মাইক্রোকন্ট্রোলার আছে ইন বিল্ট। একে আরডুইনোর সাথে ব্যবহার করা নিঃস্প্রোয়োজন। Answered by A.R, 23-Nov-2016 12:35 PM
Q: I need it within jan 26. it's urgent. Questioned by nargisakhter, 19-Jan-2019
Hopefully next week. If you have any urgency like project submission or so on, we recommend you not to wait for our stock. Answered by A.R, 21-Jan-2019 09:55 AM
Q: this component what distance it cover..? Questioned by Farzanul, 04-Mar-2019
Q: data resive or send...? Questioned by Farzanul, 04-Mar-2019
We think there is a misunderstanding. This is not any wifi router or dongle or jammer. This is just a module which can be connected to wifi as long as it is within the network. If you want to connect any project to wifi, this is the choice. For better understanding, please see these projects done by its updated version. https://blog.techshopbd.com/category/wirelesssystems/wifi/ Answered by A.R, 04-Mar-2019 10:10 AM
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