[{"data":1,"prerenderedAt":235},["ShallowReactive",2],{"docs-\u002Fdocs\u002Fboards\u002Farduino-uno-r4-wifi":3},{"id":4,"title":5,"body":6,"description":227,"extension":228,"meta":229,"navigation":230,"path":231,"seo":232,"stem":233,"__hash__":234},"content\u002Fdocs\u002Fboards\u002Farduino-uno-r4-wifi.md","Arduino Uno R4 WiFi",{"type":7,"value":8,"toc":221},"minimark",[9,13,32,37,145,149,157,161,178,182,217],[10,11,5],"h1",{"id":12},"arduino-uno-r4-wifi",[14,15,16,17,22,23,27,28,31],"p",{},"The Uno R4 WiFi pairs the same Renesas RA4M1 (Cortex-M4) as the ",[18,19,21],"a",{"href":20},"\u002Fdocs\u002Fboards\u002Farduino-uno-r4","Minima"," with an ESP32-S3 co-processor for WiFi\u002FBLE, and adds a Qwiic-friendly second I2C bus, a 12×8 LED matrix, and DAC on A0. CONDUYT runs on the RA4M1; the ESP32-S3 is reachable via the Arduino ",[24,25,26],"code",{},"WiFi","\u002F",[24,29,30],{},"WiFiS3"," libraries from your firmware sketch.",[33,34,36],"h2",{"id":35},"specs","Specs",[38,39,40,53],"table",{},[41,42,43],"thead",{},[44,45,46,50],"tr",{},[47,48,49],"th",{},"Property",[47,51,52],{},"Value",[54,55,56,65,73,81,89,97,105,113,121,129,137],"tbody",{},[44,57,58,62],{},[59,60,61],"td",{},"MCU",[59,63,64],{},"Renesas RA4M1 (ARM Cortex-M4), 48 MHz",[44,66,67,70],{},[59,68,69],{},"Flash",[59,71,72],{},"256 KB",[44,74,75,78],{},[59,76,77],{},"RAM",[59,79,80],{},"32 KB",[44,82,83,86],{},[59,84,85],{},"GPIO",[59,87,88],{},"20 user pins (D0–D13, A0–A5)",[44,90,91,94],{},[59,92,93],{},"ADC",[59,95,96],{},"A0–A5 (A0 is also DAC-capable)",[44,98,99,102],{},[59,100,101],{},"PWM",[59,103,104],{},"All D0–D13 except via timer assignment; A4\u002FA5 also PWM-capable",[44,106,107,110],{},[59,108,109],{},"I2C",[59,111,112],{},"2 buses — Wire on A4\u002FA5, Wire1 on the Qwiic connector",[44,114,115,118],{},[59,116,117],{},"SPI",[59,119,120],{},"1 bus — D10 (CS), D11 (COPI), D12 (CIPO), D13 (SCK)",[44,122,123,126],{},[59,124,125],{},"UART",[59,127,128],{},"1 port",[44,130,131,134],{},[59,132,133],{},"WiFi\u002FBLE",[59,135,136],{},"via on-board ESP32-S3",[44,138,139,142],{},[59,140,141],{},"OTA",[59,143,144],{},"Not currently advertised (use USB DFU)",[33,146,148],{"id":147},"flashing","Flashing",[14,150,151,152,156],{},"Same as the Minima: hold reset and click ▶︎ in the ",[18,153,155],{"href":154},"\u002Fplayground","Playground"," — the board enters DFU mode and is flashed via WebUSB. No external programmer required.",[33,158,160],{"id":159},"notes","Notes",[162,163,164,168,171],"ul",{},[165,166,167],"li",{},"A4\u002FA5 are I2C SDA\u002FSCL by default and shared with their analog functions. Reading analog on those pins while I2C is active will conflict.",[165,169,170],{},"The ESP32-S3 co-processor is on UART internal lines and is not addressable as a CONDUYT module yet.",[165,172,173,174,177],{},"The 12×8 LED matrix isn't exposed as a CONDUYT module — drive it from your sketch with the ",[24,175,176],{},"Arduino_LED_Matrix"," library.",[33,179,181],{"id":180},"compile-flag","Compile flag",[183,184,189],"pre",{"className":185,"code":186,"language":187,"meta":188,"style":188},"language-ini shiki shiki-themes github-light github-dark","[env:uno_r4_wifi]\nplatform = renesas-ra\nboard = uno_r4_wifi\nframework = arduino\n","ini","",[24,190,191,199,205,211],{"__ignoreMap":188},[192,193,196],"span",{"class":194,"line":195},"line",1,[192,197,198],{},"[env:uno_r4_wifi]\n",[192,200,202],{"class":194,"line":201},2,[192,203,204],{},"platform = renesas-ra\n",[192,206,208],{"class":194,"line":207},3,[192,209,210],{},"board = uno_r4_wifi\n",[192,212,214],{"class":194,"line":213},4,[192,215,216],{},"framework = arduino\n",[218,219,220],"style",{},"html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}",{"title":188,"searchDepth":201,"depth":201,"links":222},[223,224,225,226],{"id":35,"depth":201,"text":36},{"id":147,"depth":201,"text":148},{"id":159,"depth":201,"text":160},{"id":180,"depth":201,"text":181},"Uno R4 WiFi board guide — Renesas RA4M1, ESP32-S3 co-processor, dual I2C, USB DFU.","md",{},true,"\u002Fdocs\u002Fboards\u002Farduino-uno-r4-wifi",{"title":5,"description":227},"docs\u002Fboards\u002Farduino-uno-r4-wifi","QxPvTd7VrItLTuX6Pw9Vs8SXPMvzUZQ5sKb9eE0Tp6U",1777412314779]